Finding the Fourth Proportional to 531,953.28, 734,190.48 and 317,107.08
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Solution
The fourth proportional to 531,953.28, 734,190.48 and 317,107.08 is: 437,664.37
Step by Step Solution
- Step 1: Write the proportion equation
531,953.28 : 734,190.48 = 317,107.08 : x - Step 2: Convert to fraction form
531,953.28/734,190.48 = 317,107.08/x - Step 3: Cross multiply
531,953.28x = 734,190.48 × 317,107.08 - Step 4: Simplify right side
531,953.28x = 232,816,999,276.60 - Step 5: Solve for x
x = 232,816,999,276.60/531,953.28 - Step 6: Final answer
x = 437,664.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.